/Engine/Source/Runtime/Engine/Classes/Engine/SkinnedAsset.h
Returns the "active" socket list - all sockets from this mesh plus all non-duplicates from the skeleton Const ref return value as this cannot be modified externally
virtual [TArray](API\Runtime\Core\Containers\TArray)< class [USkeletalMeshSocket](API\Runtime\Engine\Engine\USkeletalMeshSocket) * > GetActiveSocketList() const